RG

Roy E. Grigsby

📍 Fort Worth, TX: #13 of 57 inventorsTop 25%
🗺 Texas: #432 of 2,272 inventorsTop 20%
Overall (1982): #34,819 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321837 Auxiliary counter balance for well pump — 1982-03-30